Verb conjugation of "accusare" in Italian

Actually, he is entering it into our website and marking 'I took the idea from another source' then the website knows that it should not display any of this content. However, the user is allowed to exercise what he entered.
According to the user's success and failures in the placement test will give us the information where to start the drills for each users. Please note that some general parameters that are not user specific may also be involved in the decision engine.
This is a fantastic idea, I am learning German just since last year. I speak, write and read well, and I will improve soon. This site, Vocabulix, I'm visiting often and I am mostly online.